Organisms and continents through times.
London: The Palaeontological Association, 1973. Octavo, text illustrations, paperback,
Special papers in palaeontology No. 12. A symposium volume of 23 papers.
London: The Palaeontological Association, 1973. Octavo, text illustrations, paperback,
Special papers in palaeontology No. 12. A symposium volume of 23 papers.